Implemented a little bit of Unit.attack(), Unit.capture(), Unit.move(),
created other methods where applicable with a bunch of TODOs.
Merge branch 'master' of ssh://git@github.com/hacos/AdvancedWars.git

Conflicts:
	src/Helper/Piece.java
	src/unit/Unit.java
Re-added Position and Player that went missing from the merge
Moved Position and Player to the Piece class
Added a constructor for Piece
Implemented super in the Building and Unit classes
Added Base, Airport, Port that extends Building.
Tried to implement Board.getMoves